Commit 8c868848 authored by jan.koester's avatar jan.koester
Browse files

ping fix

parent b7711b17

src/httpd.cpp

+14 −5
Original line number Diff line number Diff line
@@ -558,12 +558,21 @@ bool libhttppp::HttpEvent::Http2RequestEvent(netplus::con &curcon, 


        case H2_FRAME_PING:

            // RFC 7540: respond only to non-ACK PING frames, payload must be 8 bytes.

            // Send PING ACK immediately via the socket so the peer doesn't

            // time out while a long-running RequestEvent is in progress.

            if (!(fflags & H2_FLAG_ACK) && flen == 8) {

                out += h2BuildFrame(H2_FRAME_PING, H2_FLAG_ACK, 0,

                std::string ping_ack = h2BuildFrame(H2_FRAME_PING, H2_FLAG_ACK, 0,

                                                    std::string(data + off, flen));

                if (!out.empty()) {

                    cureq.SendData.append(out.data(), out.size());

                    out.clear();

                if (cureq.csock) {

                    netplus::buffer buf(ping_ack.data(), ping_ack.size());

                    try {

                        cureq.csock->sendData(buf, 0);

                    } catch (...) {

                        // Fall back to buffered send if immediate write fails

                        out += ping_ack;

                    }

                } else {

                    out += ping_ack;

                }

            }

            break;